According to the graph, the rSpaA415 ELISA determined overall higher antibody titers compared to the commercial test, and a decreasing trend over time was observed in the non-vaccinated and post-farrowing vaccinated groups for both ELISA tests, but especially for rSpaA415 ELISA test.
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A field comparison study of two vaccine protocols against Erysipelothrix rhusiopathiae in two types of swine breeds in Spain.
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The sentences
Additionally, a statistical trend was observed using the Cox-Hazard Proportional Model, which showed that the hazard of testing negative after post-farrowing vaccination with the commercial ELISA was four times higher (4.23 ( p = 0.073)) than with the pre-farrowing vaccination protocol.